An alkyl halide on reaction with sodium in the presence of ether gives 2,2,5,5-tetramethylhexane. The alkyl halide is:
A
1-chloro pentane
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B
1-chloro-2,2-dimethyl propane
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C
3-chloro-2,2-dimethyl butane
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D
2-chloro-2-methyl-butane
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Solution
The correct option is B 1-chloro-2,2-dimethyl propane Alkyl halide on reaction with sodium in presence of ether to give alkane is called Wurtz reaction. The reaction takes place as: 2ClCH2−C(CH3)2−CH3+2Na→CH3−C(CH3)2−CH2−CH2−C(CH3)2−CH3+2NaCl